Most Effective Ayurvedic Herbs For Asthma Asthma is a respiratory illness. Respiratory disorders are the pathological conditions which affect the organs and tissues of the lungs or organs or tissues that make gas exchange. These disorders affect trachea, bronchi, bronchioles, alveoli and muscles of the respiration. This makes it difficult to breathe. Respiratory disorders range from mild to severe. These disorders are caused by viruses or bacteria. Some of the respiratory diseases are COPD, Bronchitis, pneumonia, tuberculosis, Asthma etc. But